text: from . import FixtureTest
  
  
  class ExcludeNullValuesForBuildings(FixtureTest):
  
      def test_alcatraz(self):
          # way 128245373 - alcatraz prison main building
          self.load_fixtures(
              ['https://www.openstreetmap.org/way/128245373'])
  
          self.assert_has_feature(
              16, 10481, 25319, 'buildings',
              {'kind': 'building'})
  
          # but that same building should not have any "null" values in it
          with self.features_in_tile_layer(
                  16, 10481, 25319, 'buildings') as features:
              for f in features:
                  for k, v in f['properties'].items():
                      self.assertFalse(
                          v is None,
                          '%r is null, but there should be no null values in '
                          'feature %r' % (k, f['properties']))
  